'Incubation period less than 24 hours, source of infection is milk products, and symptoms include diarrhoea and vomiting.'
To which of the following does the above description apply?
1. Staphylococcal food poisoning
2. Salmonella food poisoning
3. Botulism
Select the correct answer using the code given below:
The question asks to identify the food poisoning type that matches specific features: an incubation period less than 24 hours, milk products as a source, and symptoms including diarrhoea and vomiting.
Food Poisoning Feature Analysis
1. Staphylococcal Food Poisoning
- Incubation Period: Typically very short, ranging from 30 minutes to 6 hours. This fits the 'less than 24 hours' criterion.
- Symptoms: Primarily nausea, vomiting, abdominal cramps, and diarrhoea. This matches the described symptoms.
- Source: Often caused by toxins produced by bacteria in food left at room temperature. Various foods can be vehicles, including dairy products like milk. This aligns with 'source of infection is milk products'.
2. Salmonella Food Poisoning
- Incubation Period: Usually between 6 to 72 hours. While the upper range exceeds 24 hours, cases can certainly fall within the 'less than 24 hours' timeframe.
- Symptoms: Commonly includes diarrhoea, fever, and abdominal cramps. Vomiting can also occur. This matches the described symptoms.
- Source: Associated with raw or undercooked foods, particularly poultry, eggs, and also dairy products like milk. This aligns with 'source of infection is milk products'.
3. Botulism
- Incubation Period: Generally longer, typically 18 to 36 hours, but can range from a few hours to several days. This does not typically fit the 'less than 24 hours' criterion as well as the others.
- Symptoms: Primarily neurological symptoms like blurred vision, difficulty speaking, swallowing difficulties, and muscle weakness or paralysis. Diarrhoea and vomiting are not the main initial symptoms.
- Source: Associated with improperly canned foods, not typically milk products.
Conclusion
Based on the analysis:
- Staphylococcal food poisoning (1) matches all the described features well.
- Salmonella food poisoning (2) matches the features reasonably well, especially considering the variability in incubation period and common sources.
- Botulism (3) does not align well with the short incubation period, primary symptoms, or common source mentioned.
Therefore, the description applies to Staphylococcal food poisoning and Salmonella food poisoning.
Selected Answer
The correct option is the one that includes both 1 and 2.
Important Questions from Disease
- The sequence of events leading to disability and handicap is:
- With reference to mumps, consider the following statements:
1. The average age of incidence of mumps is higher than that of measles and chicken pox.
2. The mumps disease tends to be more severe in adults than in children.
Which of the statements given above is/are correct? Match List I with List II and select the correct answer using the codes given below the lists:
List I (Disease) List II (Example) A. Nosocomial 1. Cytomegaloviral infection B. Opportunistic 2. Hepatitis B viral infection C. Iatrogenic 3. Aplastic anemia D. Epornithic 4. Influenza - With reference to dengue virus, consider the following statements:
1. In India, all the four serotypes are found.
2. The reservoir of infection is both man and mosquito.
3. Adults usually have a milder disease than children.
4. Dengue hemorrhagic fever is caused by infection with more than one dengue virus.
Which of the statements given above is/are correct? - What is the window period for HIV infection?
